Color Vision Found in Fish that Live in Near Darkness. New research reveals signs of highly sensitive color vision in fish that live in the abyss beyond sunlight’s reach, some 650 to 5,000 feet below sea level.

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Color Vision Found in Fish that Live in Near Darkness. New research reveals signs of highly sensitive color vision in fish that live in the abyss beyond sunlight’s reach, some 650 to 5,000 feet below sea level.